Exposure
- ID
- GRAVI.2025-10-14T23:41:54.227_1
- Header ID
- GRAVI.2025-10-14T23:41:54.227
- Date updated
- 2025-10-14 23:55:59 UTC+0000
- Release date
- 2026-10-14 23:55:59 UTC+0000
- UTC Start
- 2025-10-14 23:41:54.227
- UTC End
- 2025-10-14 23:46:42.227
- MJD Start
- 60962.98743318
- MJD End
- 60962.990766513336
- Exposure time (s)
- 288.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054045
- Ambient temperature (°C)
- 12.91
- Seeing (arcsec)
- 0.625
Observation
- ID
- 70945
- Category
- science
- Program ID
- 115.29R0.001
- Program Title
- CONSTRAINING CALIBRATOR STAR DIAMETERS FOR RELIABLE INTERFEROMETRIC MEASUREMENTS
- Program Type
- ToO
- PI / COI
- GALLENNE / KERVELLA / BRAS
Target
- ID
- 52650
- Name
- HD181907
- RA
- 290.588973
- DEC
- -0.25247
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 42.3510 | 42.1290 | 157.0000 | 157.7000 |
| A0-J2 | 122.1440 | 121.1040 | 92.8000 | 92.8000 |
| A0-J6 | 165.6000 | 166.0690 | 33.0910 | 33.3380 |
| B5-J2 | 110.4890 | 110.0450 | 72.6000 | 72.5000 |
| B5-J6 | 192.4500 | 193.0050 | 22.5640 | 22.9560 |
| J2-J6 | 148.0910 | 147.6980 | 347.6820 | 348.4000 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.29R0.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60962.98743318 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD181907 |
| HIERARCH ESO INS SOBJ NAME | HD181907 |
| RA | 290.588973 |
| DEC | -0.25247 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 326.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 42.351 |
| HIERARCH ESO ISS PBL12 END | 42.129 |
| HIERARCH ESO ISS PBLA12 START | 157.0 |
| HIERARCH ESO ISS PBLA12 END | 157.7 |
| HIERARCH ESO ISS PBL13 START | 122.144 |
| HIERARCH ESO ISS PBL13 END | 121.104 |
| HIERARCH ESO ISS PBLA13 START | 92.8 |
| HIERARCH ESO ISS PBLA13 END | 92.8 |
| HIERARCH ESO ISS PBL14 START | 165.6 |
| HIERARCH ESO ISS PBL14 END | 166.069 |
| HIERARCH ESO ISS PBLA14 START | 33.091 |
| HIERARCH ESO ISS PBLA14 END | 33.338 |
| HIERARCH ESO ISS PBL23 START | 110.489 |
| HIERARCH ESO ISS PBL23 END | 110.045 |
| HIERARCH ESO ISS PBLA23 START | 72.6 |
| HIERARCH ESO ISS PBLA23 END | 72.5 |
| HIERARCH ESO ISS PBL24 START | 192.45 |
| HIERARCH ESO ISS PBL24 END | 193.005 |
| HIERARCH ESO ISS PBLA24 START | 22.564 |
| HIERARCH ESO ISS PBLA24 END | 22.956 |
| HIERARCH ESO ISS PBL34 START | 148.091 |
| HIERARCH ESO ISS PBL34 END | 147.698 |
| HIERARCH ESO ISS PBLA34 START | 347.682 |
| HIERARCH ESO ISS PBLA34 END | 348.4 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00508 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005729 |
| HIERARCH ESO ISS AMBI TEMP | 12.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |